在R中使用frbs.learn()训练ANFIS模型时出错
我正在使用R中的frbs.learn()构建一个ANFIS模型。 这是我的密码:在R中使用frbs.learn()训练ANFIS模型时出错,r,machine-learning,neural-network,rstudio,fuzzy,R,Machine Learning,Neural Network,Rstudio,Fuzzy,我正在使用R中的frbs.learn()构建一个ANFIS模型。 这是我的密码: library(readxl) library(anfis) library(parallel) library(frbs) Yamuna_final <- read_excel("F:/Downloads/Yamuna_final.xlsx", col_names = FALSE) data.train <- as.matrix(Yamuna_
library(readxl)
library(anfis)
library(parallel)
library(frbs)
Yamuna_final <- read_excel("F:/Downloads/Yamuna_final.xlsx",
col_names = FALSE)
data.train <- as.matrix(Yamuna_final)
frbs_obj <- frbs.learn(data.train , range.data = NULL, method.type =
c("ANFIS"), list(num.labels = 13, max.iter= 10, step.size = 0.01,
type.tnorm = "MIN",
type.implication.func = "ZADEH" , name = "Sim-0"))
test <- read_excel("F:/Downloads/test.xlsx",
col_names = FALSE)
res <- predict(frbs_obj, test)
现在,我的模型没有得到训练,我得到了上面的错误。我不知道怎么了(此错误可能是由于数据集中存在只有一个唯一值的列。
在下面的代码中,删除这些列后,
frbs.learn
将正常运行
library(frbs)
data.train <- read.table(text="
X__1 X__2 X__3 X__4 X__5 X__6 X__7 X__8 X__9 X__10 X__11 X__12
[1,] 1999 1 1 7.720000 11.00000 1.000000 0.0500000 0.92000 85.0 14.00000 210 8.60000000
[2,] 1999 1 2 7.700000 10.00000 1.000000 0.0500000 2.00000 50.0 14.50000 3700 10.80000000
[3,] 1999 1 3 8.400000 10.00000 1.000000 0.0400000 0.92000 120.0 23.00000 400 8.60000000
[4,] 1999 1 4 8.270000 6.00000 1.000000 0.0500000 0.56000 80.0 22.00000 4600 12.50000000
[5,] 1999 1 5 8.180000 6.00000 1.000000 0.0500000 0.80000 140.0 22.00000 23000 8.70000000
", header=T)
# Find columns with only one unique value and delete them.
delete_cols <- apply(data.train, 2, function(x) length(unique(x))!=1)
data.train <- data.train[,delete_cols]
frbs_obj <- frbs.learn(data.train, range.data = NULL, method.type =c("ANFIS"),
list(num.labels = 13, max.iter= 10, step.size = 0.01,
type.tnorm = "MIN",
type.implication.func = "ZADEH" , name = "Sim-0"))
第277排
posNA <- which(apply(data.train,1,function(x) any(is.na(x))))
data.train[posNA, ]
# X1 X2 X3 X4 X5 X6 X7 X8 X9 X10 X11 X12
# 277 2000 NA 1 7.49 77 25 13.17 19.26 5000 20 2.1e+07 0
posNA另一种解决方案可能是手动输入最小/最大限制。这里是0表示分钟:
range.data=matrix(c(0,1999,0,1,0,5,0,8.4,0,11,0,1,0,0.05,0,2,0
,140,0,23,0,23000,0,12.5),ncol=12)
这也允许frbs_learn无错误地运行。我的数据集中没有只有一个唯一值的列。上面显示的行只是几个实例。@SHAILYTYYAGI INDERfrbs.learn
有frbs::norm.data
函数,可以在0和1之间重新缩放数据集列。当变量的范围为0时,norm、 data
作为输出提供了一列NAs
。此“已损坏”数据集在后续命令中产生错误。请私下共享数据集。我认为错误可能是由于数据集存在问题。当然!这是我的数据集的链接:谢谢lot@ShailyTyagi嗨。我编辑了我的答案。我发现了一个信息ng数据集第二列中的值。请,如果您发现我的答案有用,请更新并更新投票。谢谢。非常感谢!我这样做了,但现在我遇到另一个错误:在If(def[k,1]>max(range.output))def[k,1]
posNA <- which(apply(data.train,1,function(x) any(is.na(x))))
data.train[posNA, ]
# X1 X2 X3 X4 X5 X6 X7 X8 X9 X10 X11 X12
# 277 2000 NA 1 7.49 77 25 13.17 19.26 5000 20 2.1e+07 0
library(frbs)
data.train <- read_excel("F:/Downloads/Yamuna_final.xlsx", col_names=FALSE)
posNA <- which(apply(data.train,1,function(x) any(is.na(x))))
data.train <- data.train[-posNA, ]
data.train <- as.matrix(data.train)
frbs_obj <- frbs.learn(data.train , range.data = NULL, method.type =
c("ANFIS"), list(num.labels = 13, max.iter= 10, step.size = 0.01,
type.tnorm="MIN", type.implication.func="ZADEH" , name="Sim-0"))
range.data=matrix(c(0,1999,0,1,0,5,0,8.4,0,11,0,1,0,0.05,0,2,0
,140,0,23,0,23000,0,12.5),ncol=12)